با همکاری انجمن هیدرولیک ایران

پایداری هیدرومتریال و پیکربندی‌های مورفولوژیک مظهر قنوات در خراسان جنوبی

نوع مقاله : مقاله پژوهشی

نویسندگان

1 دانشجوی دکتری، گروه علوم و مهندسی آب، دانشکده کشاورزی، دانشگاه بیرجند، بیرجند، ایران.

2 دانشجوی دکتری، گروه مهندسی عمران، دانشکده مهندسی، دانشگاه بیرجند، بیرجند، ایران.

3 دانشیار، گروه علوم و مهندسی آب، دانشکده کشاورزی، دانشگاه بیرجند، بیرجند، ایران.

چکیده
کاهش منابع آب زیرزمینی در مناطق خشک، ضرورت بازخوانی نقش مظهر قنات را در پایداری سازه‌ای و اجتماعی دوچندان کرده است. این پژوهش با هدف واکاوی اثرات مداخله کالبدی بر عملکرد مظهر، به ارزیابی ۱۰ قنات شاخص در استان خراسان جنوبی می‌پردازد. داده‌های حاصل از ۳۹ پرسش‌نامه در پانل خبرگان و بهره‌برداران، از طریق آزمون‌های ناپارامتریک شاپیرو-ویلک، کروسکال-والیس و ضریب اسپیرمن در محیط Python و SPSS تحلیل شد. برای کمی‌سازی ادراکات، سه شاخص ادراک ایمنی (SPI)، پایداری هیدرومتریال (HMSI) و اصالت کالبدی (HI) در بازه ۱ تا ۵ فرموله‌ شدند. تحلیل استنتاجی فواصل اطمینان ۹۵٪ نشان داد فرم‌های مسقف و اتاقک‌دار با ارتقای معنادار شاخص SPI، بیشترین میزان امنیت روانی-فیزیکی و کمترین پراکندگی نظرات را نسبت به ساختارهای روباز دارند. ارزیابی مقایسه‌ای شاخص پایداری هیدرومتریال بیانگر برتری آماری مصالح سنتی (سنگ و ساروج) در پایداری فنی-اقلیمی است؛ درحالی‌که ورود مصالح مدرن (بتن و سیمان) با وجود صعود در زیرشاخص دوام، افت شدیدی در شاخص اصالت کالبدی (HI < 2.5) ایجاد کرده و تضاد ساختاری میان دوام و هویت میراثی را آشکار می‌سازد. آسیب‌شناسی مدیریتی نشان داد رهاشدگی عملکردی، فقدان نگهداری پیشگیرانه و مرمت‌های ناسازگار، عوامل کلیدی انتقال قنوات به وضعیت شکننده هستند. یافته‌های این ارزیابی چندمتغیره تأکید می‌کند که پایداری کل‌نگر سامانه‌های آبی سنتی، مستلزم گذر از نگاه تک‌بعدی سازه‌ای و اتخاذ رویکرد «مدیریت یکپارچه پایداری قنات» جهت موازنه میان بهسازی کالبدی و احیای اصالت میراثی است.

کلیدواژه‌ها

موضوعات

عنوان مقاله English

Hydraulic Material Stability and Morphological Configurations of Qanat Outlets in South Khorasan

نویسندگان English

Ehsan Falahi 1
Raziyeh Shamshirgaran 2
Hossein Khozeymehnezhad 3
1 Ph.D Student of Water Resources, Department of Water Engineering, Faculty of Agriculture, University of Birjand, Birjand, Iran.
2 Ph.D Candidate of Civil Engineering -Water Resources Engineering and Management, Department of Civil Engineering, Faculty of Engineering, University of Birjand, Birjand, Iran.
3 Associate Professor of Water Structures, Department of Water Engineering, Faculty of Agriculture, University of Birjand, Birjand, Iran.
چکیده English

The depletion of groundwater resources in arid regions has made the reassessment of the qanat’s role in both structural and socio-cultural sustainability increasingly necessary. This study employs field surveys and statistical analysis of data collected through 39 questionnaires using SPSS and Python to examine the relationships among the architectural typologies of the qanat’s outlet, the quality of building materials, and the management conditions of 10 selected qanats in South Khorasan Province. The study population comprised two main groups—technical experts (including architects and heritage conservators) and farmers/landowners. A multivariate analysis between architectural form and perceived safety indicates that covered and chambered typologies significantly enhance safety perception, while they reduce the dispersion of respondents’ views compared with exposed structures. A comparative evaluation of the hydro material sustainability index based on materials demonstrates the statistically higher performance of traditional materials (stone and sarooj) over modern ones (concrete and cement) in terms of technical and climatic sustainability, whereas modern materials produce a notable decline in the index of architectural authenticity (heritage value). Furthermore, multivariate analysis reveals a tension between functional priorities and value-based criteria: modern materials exhibit higher durability but a substantial loss in architectural authenticity, whereas traditional materials better preserve this balance. The management-oriented diagnostic assessment shows that functional neglect, the absence of preventive maintenance, and incompatible restoration practices are the primary drivers of the transition of qanats into a semi-active and fragile condition. The qualitative findings also emphasize that improving qanat sustainability requires the simultaneous integration of technical, environmental/climatic, and social dimensions,

کلیدواژه‌ها English

Qanat Outlet
Qanat Sustainability Management
Socio-Architectural Interactions
Qanat Architecture
Drought
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دوره 7، شماره 1
شهریور 1405
صفحه 93-112

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